Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB29817/54A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RHEINISCHE ROEHRENWERKE AG
Original Assignee
RHEINISCHE ROEHRENWERKE AG
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Filing date
Publication date
Application filed by RHEINISCHE ROEHRENWERKE AGfiledCriticalRHEINISCHE ROEHRENWERKE AG
Publication of GB761422ApublicationCriticalpatent/GB761422A/en
B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
B22D7/00—Casting ingots, e.g. from ferrous metals
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Continuous Casting
(AREA)
Pistons, Piston Rings, And Cylinders
(AREA)
Crystals, And After-Treatments Of Crystals
(AREA)
Abstract
761,422. Castings. RHEINISCHE ROHRENWERKE AKT.-GES. Oct. 15, 1954 [Nov. 3, 1953], No. 29817/54. Class 83 (1). A polygonal ingot for making seamlesstubes in a reciprocating rolling mill is of circular cross-section at the base, the transition from the polygonal form into the circular one being gradual, the circular base-end presenting the greatest cross-section of the ingot. The transition extends to a height of about 15 cm.
GB29817/54A1953-11-031954-10-15Improvements in cast polygonal ingots
ExpiredGB761422A
(en)